Convertible cushion



FIG. 1 is a top perspective view of the convertible cushion showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a bottom perspective view showing the reverse side of the convertible cushion partially extended therefrom;

FIG. 4 is a top perspective view thereof;

FIG. 5 is a perspective view of the reverse side of the convertible cushion;

FIG. 6 is a top perspective and side view thereof;

FIG. 7 is a bottom perspective and side view thereof;

FIG. 8 is a left end view thereof; and,

FIG. 9 is a right end view thereof. 

The ornamental design for convertible cushion, as shown and described. 